Commands for cnsh

`init`

Initialize a new project or create a default package.json file.

cnsh init [-y]

`add`

Install a package. Use `-g` to install globally.

cnsh add [package] [-g]

`remove`

Remove a package. The package will be uninstalled from the project or globally.

cnsh remove [package]

`install`

Install all dependencies listed in package.json.

cnsh install